How fast am I driving?
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How fast am I driving?
I have a 94 with 18" wheels and I wanted to know how accurate my spedometer is. What is the best way to figure this out? the best way I could think of was to drive down a known distance (1/4 mile) and compare that to the reading on the odometer. But our odometer is digital, and it only shows resolution to 1/10 of a mile. So i think this would be inaccurate.
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Check out this Website: http://www.miata.net/garage/tirecalc.html
Compare the percentage difference you get to figure out how fast or how slow your spedo is now.
Compare the percentage difference you get to figure out how fast or how slow your spedo is now.
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